Improvement in hobse-shoe-calk shaepenees



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Letters Patent No.-79,819, dated June 30, 1868.

IMPROVEMENT IN HORSE-SHOE-GALK SHARPENERS.

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'.10 ALL WHOM IT MAY CONCERN:

Beit known that I, RICHARD CnocKEn, of Marshalltown, in the county of Marshall, in the Stato of Iowa, haveinvented n. new andusef'ul Instrument or Machine for' Shavingor Sharpening the Calks' upon the Shoes of Horses,-Mules, and-Cattle, while the shoe remains fastened or nailed to the hoof of the animal; and I do vhereby declare that the following is a full, clear, andcxplioit description of the construction and opcrationot `the same, reference being had `to the annexed drawings, making a part of this specification, in which- Letter A is a side view of the instrument.

Letter B is a side view of the lever.

Letter C is a. quafrtering view of the instrument, as. seen when it is inclined towards the observer at an angle-of about fortyfive degrees. i

Letter D is a side view of the frame in which the lever works.

Letter a represents the knife or chisel.

VLetter b represents the bed-plate or block` upon which the foot of the animal rests or is placed when the calks are being sharpened. y

Letter c represents the plate or surface against which the side of tho calk opposite the side being sharpened is pressed orvrests while the sharpening process is being carried on.

Letter d represents the fulcrum to the lever, serving at the same time as a pinto holdthe frame and lever in place.

Construction. The materials of which the instrument is constructed are steel and iron.

Operation.

The instruinenj; iS operated in the following manner: Moving the lever B up and. down gives an exactly opposite or downmnd-upf motion to thc chisel or knife, bywhich a thin shaving is cut from the calk of the shoe, the shoe at the time resting upon the block b, and the side of the calk not being sharpcned'presscd against the surface` c.

laz'm. What I claim as my invention, and desire to secure. by Letters Patent, is-` l Y The device consisting of the lever B, provided with the cutting-edge a, the'lever, D provided with the abutment c and face b, said lever B, with cutting-edge a, lever D, with abutment c and face b, being scombined and operating as described, and for the `purpose set forth.

RICHARD CROCKER.

Witnesses:

J. S. LAWRENCE, W.E. SNELL'ING. 

